Use your iPhone's USB charging cable, and connect your iPhone to the USB port on the DataHub. Once connected, your iPhone will prompt you to Trust the DataHub. Select TRUST

Turn your Hotspot on. On your iPhone, navigate to Settings > Personal Hotspot and enable ALLOW OTHERS TO JOIN, as depicted below.

To check the DataHub has an internet connection, Click on the left menu SETTINGS and INTERNET STATUS from the top menu,

The interface iOS box should be GREEN to get Internet access. Please be patient as it may take up to 2 minutes to turn Green.

iPhones starting from iOS 11 will terminate the USB data connections after one hour by default to improve security. This can easily be changed via: Settings > Touch ID/Face ID & Passcode > USB Accessories > ON